{ "layers": [ { "layerId": 0, "layerName": "Census Transportation Roads", "layerType": "Feature Layer", "minScale": 10000000, "maxScale": 100, "legend": [ { "label": "S1100", "url": "fec042d6e99492f21e21d116b576fb49", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYBk1cNTAwWLgnQjz/9QwTGXFSUbauFBlxUlGqhpITTBq4KiBZAAA6vUF50GklI8AAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20, "values": [ "S1100" ] }, { "label": "S1200", "url": "1179e8707502480aa04672a2dcdb1ab2", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUOI1jYaAyYBk1cNTAYWtgenr6f2oYNnPmTEYWGIMaBjIwDJkwHDVwmBsIADDsBh2b0c5hAAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20, "values": [ "S1200" ] } ] } ] }